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qsv: Add ability to create a session from a device 		8 years ago
avbuild build: Generalize yasm/nasm-related variable names 8 years ago
avtools avconv: Flush output BSFs when encode reaches EOF 8 years ago
compat compat/atomics: add typecasts in atomic_compare_exchange_strong() 8 years ago
doc doc: Add VAAPI encoders 8 years ago
libavcodec qsv: Add ability to create a session from a device 8 years ago
libavdevice jack: Drop support for old (2012) JACK versions 8 years ago
libavfilter vf_deinterlace_vaapi: Add support for field rate output 8 years ago
libavformat takdec: Use ISO C printf conversion specifiers where appropriate 8 years ago
libavresample Bump major versions of all libraries 8 years ago
libavutil libavutil: Make LOCAL_ALIGNED(xx be equal to LOCAL_ALIGNED_xx( 8 years ago
libswscale Bump major versions of all libraries 8 years ago
presets presets: spelling error in libvpx 1080p50_60 13 years ago
tests lavc: Remove deprecated XvMC support hacks 8 years ago
tools build: Move entries related to building TOOLS to a subdirectory Makefile 8 years ago
.gitattributes Treat all '*.pnm' files as non-text file 10 years ago
.gitignore build: Ignore generated .version files 8 years ago
.travis.yml build: Prefer NASM assembler over YASM 8 years ago
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COPYING.LGPLv2.1 cosmetics: Delete empty lines at end of file. 13 years ago
COPYING.LGPLv3 Add configure option to upgrade (L)GPL to version 3. 16 years ago
CREDITS partially rename FFmpeg to Libav 14 years ago
Changelog vp9: Add bsf to merge superframes 8 years ago
INSTALL doc: clarify configure features 14 years ago
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README doc: Add more information in the README 10 years ago
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configure vaapi_encode: Add VP9 support 8 years ago

README.md

Libav

Build Status

Libav is a collection of libraries and tools to process multimedia content such as audio, video, subtitles and related metadata.

Libraries

  • libavcodec provides implementation of a wider range of codecs.
  • libavformat implements streaming protocols, container formats and basic I/O access.
  • libavutil includes hashers, decompressors and miscellaneous utility functions.
  • libavfilter provides a mean to alter decoded Audio and Video through chain of filters.
  • libavdevice provides an abstraction to access capture and playback devices.
  • libavresample implements audio mixing and resampling routines.
  • libswscale implements color conversion and scaling routines.

Tools

  • avconv is a command line toolbox to manipulate, convert and stream multimedia content.
  • avplay is a minimalistic multimedia player.
  • avprobe is a simple analisys tool to inspect multimedia content.
  • Additional small tools such as aviocat, ismindex and qt-faststart.

Documentation

The offline documentation is available in the doc/ directory.

The online documentation is available in the main website and in the wiki.

Examples

Conding examples are available in the doc/example directory.

License

Libav codebase is mainly LGPL-licensed with optional components licensed under GPL. Please refer to the LICENSE file for detailed information.